Our expertise
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CLIMATE AND ENVIRONMENT
As a company, we realise the importance of adapting and building resilience to the impacts of climate change. Through our international consultancy and engineering expertise, we identify clear technical solutions to our clients’ most complex climate change mitigation and adaptation objectives.
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ECONOMIC GROWTH
We deliver programmes that channel the power of the market to benefit the lives of people living in extreme poverty. Our team combines broad implementation experience with advanced technical knowledge to help partner countries to mobilise their resources, unlock economic growth opportunities and strengthen their workforces.
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GENDER EQUALITY AND SOCIAL INCLUSION
We are committed to equal outcomes by designing, delivering, monitoring and evaluating inclusive programmes and championing diversity within our operations around the world. Our gender team brings together specialists from across the business to share best practice in gender mainstreaming and socially-transformative programming.
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GOVERNANCE, SECURITY AND JUSTICE
We work in some of the world’s most complex and fragile environments. We design and deliver innovative and contextually sensitive programmes to strengthen central and local government institutions, improve public financial management, increase access to justice, reduce corruption and combat violence against women and girls.
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INFRASTRUCTURE
We support the development of modern and efficient infrastructure in EU accession, pre-accession and developing countries. Our team of infrastructure experts specialises in infrastructure project preparation facilities, supporting national and local beneficiaries to reform institutional arrangements for infrastructure investment.
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MONITORING, EVALUATION, RESEARCH AND LEARNING – INTERNATIONAL DEVELOPMENT
Our monitoring, evaluation, research and learning practice provides clients with robust evidence and insights that enable effective decision-making and performance management across policy and programme lifecycles. We build and implement high quality monitoring, evaluation and learning systems for clients and for Tetra Tech’s own programmes.
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MONITORING, EVALUATION, RESEARCH AND LEARNING – EUROPEAN INSTITUTIONS
We are a leading provider of evaluation and research services and specialist advice to the EU institutions, international organisations and donors. Our dedicated expert EU team design tailored solutions to help EU clients meet their specific needs for evaluation, monitoring, impact assessment and capacity building in a range of policy areas.
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DIGITAL SOLUTIONS
We use information technology to work around obstacles, to accelerate the field-to-boardroom flow of information and to help sponsors make informed decisions. We take a flexible approach, open to building our own solutions or working with off-the-shelf solutions and customising them to the needs of a programme.
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News and insights

Work with us
Our work offers a wide range of employment opportunities, from project management to technical delivery roles, spanning all our different areas of expertise.